Pipe working machine



Nov. 22, 1938. w. A. PHILLIS PIPE WORKING MACHINE 2 Sheets-Sheet 1 FiledMarch 1, 1958' 4 0 5 fiwm s l 0 5 I Mw z;@

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Nov. 22, 1938. w. A. PHILLIS 2,137,762

PIPE WORKING MACHINE Filed Marh 1, 1938 2 Sheets-Sheet 2 Patented Nov.22, 1938 UNITED STATES PATENT OFFICE PIPE WORKING MACHINE ration of OhioApplication March 1, 1938, Serial No. 193,311

18 Claims.

This invention relates to a power machine primarily for performingoperations on pipes, such as threading and cutting operations.

The machine is of the type shown and described in Patent No. 2,079,179,to R. B. Pealer, assigned to my assignee, Beaver Pipe Tools, Inc., whichhas a power operated chuck and a slidable carriage carrying suitabletools, for example, a threader and a cutter.

One of the objects of the invention is to simplify the construction ofsuch a machine, rendering it more compact, with a consequent reductionin weight and cost of manufacture. Another object is to so arrange themotor and its driving mechanism that the motor may be mounted beneaththe carriage, and at the same time be thoroughly protected from oil ordirt. Another object is to provide for the conservation of oil used inthe machine, enabling its use in a very simple manner.

The above features, and others contributing to the efiiciency of themachine, will be apparent from the following detailed description of apreferred embodiment, as shown in the drawings.

In the drawings, Fig. 1 is a side elevation of my pipe Working machine;Fig. 2 is a vertical central longitudinal section of the machine, on aplane parallel with Fig. 1; Fig. 3 is a view looking at the right-handend of the machine, as shown in Fig. 1; Fig. 4 is a perspective of thecombined carriage bed and motor housing; Fig. 5 is a verticalcross-section through the gear housing, as indicated by the lines 5-5 onFig. 2; Fig. 6 is an elevation of a pipe threader which may be employed,and which is shown in section in Fig. 2.

Briefly, the entire machine comprises a bed ID, having a hollow standard55, housing a reduction gearing and carrying a driven chuck 20. A motor3d controlled by a switch H3 is mounted on the bed and connected withreduction gearing within the housing l5; a supplemental bed 4!! carriedby the bed It! houses the motor 3!] and supports a slidable carriage 8B,which carries the tools. The tools shown comprise a threading device 9!]and a cutter Hill. Mounted on the side walls of the supplemental bed 40are removable containers 12!! for receiving the waste oil. These variousparts will now be described in detail.

The bed II] is a fiat member, shown suitably cored on its underside forlightness, and the combined gear housing and chuck standard [5, asshown, is integral with the bed except as to a removable end plate l6normally bolted in place. At the top, this standard I5 is formed into asemicylindrical seat H for the chuck barrel. This bearing is closedabove by a downwardly facing and semi-cylindrical cap l8, which carriesa centrally and upwardly extending hollow housing I9 for the receptionof the upper portion of 5 the main gear.

The chuck is of usual form, comprising a head having radially slidablejaws 2i and a hollow barrel 22 which is rotatably mounted in the bearingll, [8. The end portion of the barrel is en- 10 larged as at 23, so thatlongitudinal movement of the chuck is prevented. Centrally of the barrel22 is an enlargement 24, to which is keyed the main gear 25 driven bythe motor through a train of gearing.

The motor is secured on the bed Ill in a position beneath the workingspace beyond the face of the chuck. The motor has its armature shaft 3|connected by a coupling 32 to a shaft 33 journalled in bearings mountedin the adjacent face of the standard I 5. Shaft 33 is shown as having apinion 34 meshing with an idler gear 35, which carries the pinion 3tmeshing with a second idler 31, carrying a pinion 38 engaging main gear25. This makes a direct train of spur gearing from the motor to thechuck, providing the desired reduction.

Surmounting the motor is a peculiarly formed casting 4B, which operatesto house the motor and also support the carriage. This casting is shownin perspective in Fig. i. It comprises four pads or feet 4! adapted tobe bolted to the bed, two feet on each side being connected by avertical web or side wall. At their upper edges the walls 42 extendoutwardly as at 43 and then curve inwardly and upwardly to form roof 5|.This roof also curves downwardly at its ends and is thus a shallow domeor turtle-back. At one end this turtle-back unites with a horizontalportion 53. The horizontal floor portion 53 slopes downwardly from thecenter as indicated at 5 5 to cause oil, etc. to flow freely toward thesides of the casting; at its outer edge the horizontal floor 53terminates in an upwardly curving flange 55 which guides oil and chipstoward the sides of the casting. Suitable brackets 45 extend from theturtle-back upwardly and are arranged to support horizontal flat strips4'5 (Figs. 1 and 3) which provide a slideway for the carriage. Asuitable transverse web 47 serves to brace the 5 tuctle-back and preventoil from flowing forwardly of thefront carriage supports 45.

It will be seen from Figs. 1 and 2 that the casting above describedprotects the motor, entirely covering it above and at the front and 55back, as well as at the right-hand end of the machine, where the sidewalls 42 are connected by a transverse web or end wall 48, Fig. 3. Theweb 48 has an opening to allow access to the motor, but this may beclosed by a cover plate, if desired. At the other end the casting 40 isopen for the purpose of ventilation.

It will be noted that the inner or left-hand end of the casting 40 isspaced from the upright housing I5 to provide for ventilation. Thecontrolling switch I0, Fig. 1, is secured to the transverse plate of thestandard I5 between such standard and the end of the casting 40 and iselectrically connected with the motor so that the latter may selectivelyrotate in either direction.

The carriage 80 is of the usual type, and rests on the guides 46 of thesupplemental frame and is held thereto by suitable gibs 8| (Fig. 3)extending beneath the overhanging edges of the guides. As shown in Fig.1, this carriage may be of the form shown in Patent No. 2,079,179,referred to, having upright posts 82 which carry, on the side toward thechuck, the threading device 90, and on the opposite side, the cutterI00. These parts may, if desired, be of the form shown in the priorpatent mentioned. As shown herein, they will be briefly described later.

Suitable means are provided for moving the carriage lengthwise of thebed. The means shown comprises a centrally downwardly-facing rack 85,which meshes with pinion 86 on a shaft 81 journalled with bearings 61carried by the guide bars 46. A suitable hand wheel 88 furnishes meansfor rotating the shaft to shift the carriage toward and from the chuck,as desired.

Referring to Fig. 6, 90 indicates a suitable ring-like frame carryingradial chasers 9| to coact with the pipe A. The ring 90 is shown ashaving diametrically opposite horizontal ears 92, which seat in ways inthe carriage posts and may be held in place by tapered pins 93. Asshown, the ring frame 90 carries a face plate having internal camgrooves coasting with pins on the chaser. The ring carries a crank 96operated by hand lever 91 and adjustably connected by a link 98 to thecam plate. Accordingly, the throwing of the lever may spread the chasersor return them, if desired.

The cutter is illustrated in the drawings as of the form shown in thepatent referred to, although another form of cutter may be used, ifdesired. Briefly, in the form shown, the cutter comprises a slidableblock IOI (Fig. 3) mounted on one of the carriage posts and carrying acutting wheel I02. Opposed to this is a slidable block I04 carrying apair of rollers I05. Rods I06 attached to the block I04 pass slidablythrough ears on the block IOI to a head I01. Rotatably mounted in thishead is a screw-threaded shaft screwing into the block IM and carryingon its free end an operating hand wheel I09. The turning of this handwheel may therefore force the blocks toward each other or cause them torecede, as desired.

In Figs. 1 and 3, I20 indicates open top containers which are removablysupported by and rest against the respective side walls 42 of thesupplemental frame 40, the inner side edges of the container comingbeneath the overhanging horizontal walls or beads 43 of the frame. Chipsand oil dropping from the tools slide off the turtle-back 5| and dropinto the containers. Each container may be provided with the usualremovable screened basket, not shown.

The inner wall of each receptacle I20 is provided with a pair of bayonetslots I25 adapted to receive respective headed pins I26 secured to theside walls 42 of the supplemental frame 40, thus facilitating theremoval of the reservoirs. The inner walls of each reservoir underliethe horizontal portion 43 of the frame 40, the outer edge of whichdepends slightly as indicated in Fig. 4, at 52, thus insuring thedraining of all oil into the reservoirs.

The used oil, together with the discharged chips and dirt will passdownwardly from the turtle-back 40 into the receptacles I20. From timeto time the receptacles will be removed and the dirt and chips removedtherefrom, then the relatively clean oil may be poured from thereceptacle, for instance, into a supply reservoir I30, mounted on a postI3I on the carriage. From this. reservoir oil is discharged to the toolsthrough a pipe I35, controlled by a cock I36.

It will be seen from the description given that by employing thepeculiar supplemental frame shown and described, I have thoroughlyprotected the motor, and allowed provision for ventilation thereof. Atthe same time, I have provided means for readily retrieving the wasteoil and restoring it to condition for using. The re movable receptaclesenable ready transfer of the oil to the supply reservoir without thenecessity of employing a pump, thus rendering the whole machine lessliable to get out of order.

I claim:

1. In a power driven tool, the combination of a chuck, a motor fordriving the chuck, a carriage over the motor adapted to carry a tool forengagement with a pipe mounted in the chuck, a housing over the motorand beneath the carriage having a gutter for receiving oil, and areceptacle carried by the housing, said housing being adapted andarranged to divert oil falling thereon into said receptacle.

2. In a pipe working tool, the combination of a bed, a rotatable chucksupported thereby, a motor geared with the chuck, a hollow supplementalframe mounted on the bed and housing the motor, said supplemental framealso carrying slides for a carriage and having an upwardly openreceiving gutter at one end, and a receptacle removably mounted on thesupplemental frame and in open communication with said gutter.

3. In a pipe working tool, the combination of a bed, a supplementalframe mounted thereon and having a pair of spaced upwardly extendingwalls, said supplemental frame having a dome-shaped roof and havingmeans to divert fluid toward the opposite sides thereof.

4. In a pipe working tool, the combination of a bed, a frame mountedthereon and having two pairs of spaced upwardly extending walls, saidframe having a roof connecting the inner walls of the two pairs andextending outwardly therebeyond, said frame having also a carriagesupport, the carriage mounted on said support, a rotatable chuck adaptedto carry a pipe coacting with a tool on the carriage, and a motorbeneath "the roof of the frame geared with the chuck.

5. The combination of a bed, a frame thereon comprising two spacedupright walls, a roof connecting said walls and extending outwardlytherebeyond, a removable open topped container supported by said wallsand extending beneath the outwardly extending portion of said roof toreceive material flowing therefrom.

6. In a pipe working tool, the combination of a bed, a chuck carriedthereby, a frame carried by the bed having a pair of spaced walls, aroof connecting said walls, a motor housed between the said walls andbeneath the roof, gearing between the motor and chuck, a carriagecarried by the frame to carry a tool coacting with mate rial in thechuck, and removable containers car-- ried by said walls and positionedexternally thereof.

'3 The combination of a frame, a hollow standard rising therefrom, arotatable chuck carried by the standard, a motor mounted on the frame,reduction gearing within the hollow standard connecting with the chuckand motor, a housing carried by the frame having a pair of spaced wallsembracing said motor, and a roof connecting with the said walls to coverthe'motor, a pair of containers removably supported at the sides of saidhousing, a draining gutter at one end of the housing to divert materialinto the containers, carriage slides supported by the walls and roof ofthe housing, and a carriage on said slides.

8. The combination with a bed, of a supplemental frame thereon, saidframe having a pair of spaced longitudinally extending side walls and aroof-like portion joining said walls, said roof portion slopingdownwardly toward said side walls, a gutter at one end of said roofportion to divert oil toward the side walls of said frame, and means atthe other end of said roof portion to prevent the flow of oil from suchend of said frame.

9. The combination with a bed, of a supplemental frame secured thereto,said frame having a pair of spaced side walls extending upwardly fromsaid base, and a roof portion joining said walls and sloping downwardlytoward said walls and toward the ends of said frame, said roof portionextending outwardly beyond the side walls and being provided with adownwardly extending bead formation, a gutter at one end of said frameand an upstanding bridge at the other end of said frame whereby oilflowing from said roof will be diverted towards the sides thereof.

10. The combination with a bed, of a supplemental frame secured thereto,comprising a pair of spaced side walls extending upwardly and inwardlyfrom said base, and a dome-shaped roof portion joining said walls andextending outwardly therebeyond, and being provided with a downwardlyextending bead formation, a pair of upstanding post formations carriedby said roof, and at each end thereof, an upstanding bridge wallconnecting the posts at one end of said frame and a gutter at the otherend of said frame, and means removably carried by said side walls toreceive fluid draining from said roof.

11. In a pipe working tool, the combination of a rotatable chuck, acarriage shiftable toward and from the chuck, a motor and transmissionmechanism for driving the chuck, said mator being located beneath thecarriage, and a downwardly diverging roof over the motor adapted to shedmaterial dropping from the carriage.

12. In a pipe working tool, the combination of a rotatable chuck, amotor for driving the chuck,

a housing over the motor having a downwardly sloping roof-like portionadapted to shed material, a pair of guide bars secured to the housing ina manner leaving openings beneath the guide bars and above the roof, anda carriage slidable on the guide bars toward and from the chuck.

13. In a machine of the character described, the combination of arotatable chuck, a carriage shiftable toward and from the chuck, a motorand transmission mechanism for driving the chuck, said motor beinglocated beneath the carriage, a roof over the motor, posts extendingupwardly from said roof, and guides for the carriage mounted on top ofthe posts.

14. The combination of a rotatable chuck, a motor for driving the chuck,a housing over the motor having a roof-like portion adapted to shedmaterial, a pair of guide bars secured to the housing, a carriageslidable on the guide bars toward and from the chuck, each guide barcarrying an eye at its end, a rotary shaft mounted in said eyes, andgearing connecting said shaft to the carriage.

15. In a tool of the character described, the combination of a bed, astandard carried thereby, a rotatable chuck carried by the standard, amotor on the bed, gearing connecting it with the chuck, and asupplemental frame mounted on the bed and removable independently of thestandard, the motor and the gearing and providing a housing in front andbehind and over the top of the motor and providing also a support forthe carriage.

16. The combination of a bed, a standard thereon with a removable capproviding a bearing, a chuck having a barrel rotatably journalled insaid bearing, a frame carried by the bed and comprising upright wallssupporting a dome-like roof, said frame having also horizontal slidewayssupported above the roof in a manner leaving openings beneath theslideways and above the roof, a carriage on the slideways at anelevation to cooperate with the chuck, and a motor beneath the roofgeared with the chuck barrel.

17. In a pipe working tool, having a motordriven chuck and atool-supporting carriage, the employment of a combined protecting hoodfor the motor and support for the carriage above the motor, said hoodhaving its top formed to shed oil to the exterior, and a receptacleremovably held on the hood below the edge of said top in position toreceive said oil.

18. In a machine of the character described, the combination of a bed, aframe thereon having a roof downwardly inclined toward the front andrear and having upstanding portions spaced apart and located adjacentthe ends of the inclines, slideways for the carriage mounted on theupstanding portions and leaving unobstructed spaces beneath them andabove the roof, a carriage on the slideways, a motor beneath the roof,and a chuck driven by said motor.

WILLIAM A. PHILLIS.

